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March 28, 2015

March 28, 2015

Posted by **Renee** on Thursday, November 8, 2012 at 7:48pm.

Concave upward:

A. (-/infty,0)

B.(-1,1)

C.(0, infinity)

D. (- infinity,infinity)

E. (no interval)

Concave downward:

A.(-/infty,0)

B.(-1,1)

C.(0, infinity)

D.(- infinity,infinity)

E. no interval

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